Umbrella cover



FIG. 1 is a perspective view of a single umbrella cover illustrating my new design;

FIG. 2 is a front plan view of FIG. 1;

FIG. 3 is a rear plan view of FIG. 1;

FIG. 4 is a right-side view of FIG. 1;

FIG. 5 is a left-side view of FIG. 1;

FIG. 6 is an enlarged top plan view of FIG. 1; and,

FIG. 7 is an enlarged bottom view of FIG. 1.

The broken lines are shown for the purpose of illustrating unclaimed portions of the unmbrella cover and form no part of the claimed design. 

CLAIM The ornamental design for umbrella cover, as shown and described. 